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There is currently insufficient evidence to recommend vision screening for children < 36-months of age. This study assessed the effect of comprehensive vision screening, as well as the sensitivity of age‐appropriate vision tests, at two years of age on habitual visual acuity at 4.5-years of age.

Children born at risk of neonatal hypoglycaemia (n = 477) underwent vision assessment at 54 ± 2-months of age including measurement of monocular and binocular habitual visual acuity, assessment of binocularity and stereopsis. Of these children, 355 (74.4 per cent) had also received vision screening at two years of age (mean age = 24± 1-months), while 122 were not screened.

Eighty (16.8 per cent) children were classified as having reduced vision at 4.5-years of age, but the prevalence of reduced vision did not differ between children who had previously been screened at two years of …